 | Robert Sterling als Clay Phillips |
 | Gloria Grahame als Mary Wells |
 | Claude Jarman Jr. als Steve Phillips |
 | John Ireland als Lednov |
 | Jeff Donnell als Elaine Wyatt |
 | Myrna Dell als Helen Carter |
 | Martha Hyer als Marcia |
 | George Cooper als Jim Clayton |
 | Jeff Corey als Jed Graham |
 | Sara Haden als Ma Wyatt |
 | James Bell als Pa (Ed) Wyatt |
 | Sean McClory als Fowler (as Shawn McGlory) |
 | Robert B. Williams als McCall |
 | Steve Savage als Peters |
 | Ed Cassidy als Sheriff Gardner (as Edward Cassidy) |
 | Chuck Roberson als Deputy (uncredited) |
| Roy Webb | Original Music Composer |
| Peter Viertel | Story |
| Hugo Butler | Screenplay |
| Mark Robson | Director |
| Richard H. Berger | Producer |
| Daniel Mainwaring | Screenplay |
| Joseph F. Biroc | Director of Photography |
| Marston Fay | Editor |
| Renié | Costume Design |
| John Sturtevant | Set Decoration |
| Nate Levinson | Assistant Director |
| Russell A. Cully | Special Effects |
| Lucius O. Croxton | Art Direction |
| Albert S. D'Agostino | Art Direction |
| Darrell Silvera | Set Decoration |
| Bill Shanks | Script Supervisor |
| Alexander Kahle | Still Photographer |
| Roland Ray | Makeup Artist |
| Paul Sawtell | Original Music Composer |
| Karl Herlinger | Makeup Artist |
| Mabel Carey | Hairstylist |
| Florence Guernsey | Hairstylist |
| Gil Grau | Orchestrator |
| Chuck Roberson | Stunts |
| James Daly | Camera Operator |
| Homer Plannette | Gaffer |
| Mike Fitzgerald | Grip |
| Clem Portman | Sound |
| John C. Grubb | Sound |
| Sam Ruman | Production Manager |
| Gordon Bau | Makeup Supervisor |
| C. Bakaleinikoff | Music Director |
| Jack J. Gross | Executive Producer |
| Mike Graves | Grip |
| Art Say | Still Photographer |
